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Home > Industrial Equipment & Components > Valve > Ball Valve > 316L Stainless Steel Marine Ball Valve for Ballast Water Systems, DN50-DN200, PN1.6-6.4MPa

316L Stainless Steel Marine Ball Valve for Ballast Water Systems, DN50-DN200, PN1.6-6.4MPa

316L Stainless Steel Marine Ball Valve for Ballast Water Systems, DN50-DN200, PN1.6-6.4MPa thumbnail-3

316L Stainless Steel Marine Ball Valve for Ballast Water Systems, DN50-DN200, PN1.6-6.4MPa thumbnail-4

316L Stainless Steel Marine Ball Valve for Ballast Water Systems, DN50-DN200, PN1.6-6.4MPa thumbnail-5

316L Stainless Steel Marine Ball Valve for Ballast Water Systems, DN50-DN200, PN1.6-6.4MPa photo-1

316L Stainless Steel Marine Ball Valve for Ballast Water Systems, DN50-DN200, PN1.6-6.4MPa photo-2

316L Stainless Steel Marine Ball Valve for Ballast Water Systems, DN50-DN200, PN1.6-6.4MPa photo-3

316L Stainless Steel Marine Ball Valve for Ballast Water Systems, DN50-DN200, PN1.6-6.4MPa photo-4

316L Stainless Steel Marine Ball Valve for Ballast Water Systems, DN50-DN200, PN1.6-6.4MPa photo-5

Product Spotlights

Engineered for marine ballast water systems, this 316L stainless steel ball valve offers superior chloride corrosion resistance for long life in seawater. Available in DN50-DN200 sizes and pressure classes up to PN6.4 MPa, it features full-port design for minimal flow restriction. Options include manual, geared, or pneumatic actuation, fire-safe design, and customizable connections. Manufactured under ISO9001, it ensures reliable performance and compliance for global maritime applications.

Negotiable MOQ: 1 Unit (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

Other, 316L Stainless Steel Body & Trim

Application:

Other, Marine Ballast Water Systems

Standard:

ISO 5211 Top Flange, API 607/6F Optional

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Shanghai Zhibang Valve Manufacture Co.,ltd

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
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Material Other, 316L Stainless Steel Body & Trim

Application Other, Marine Ballast Water Systems

Standard ISO 5211 Top Flange, API 607/6F Optional

Connection Type Flanged (RF/FF), Threaded Optional

Pressure Rating PN1.6 to PN6.4 MPa

Size Range DN50 to DN200 (2“ to 8“)

Operation Manual Lever, Gearbox, or Pneumatic Actuator (Optional)

Seat Material PTFE/RPTFE, Metal Seated Optional

Fire Safe Design Available upon request

Temperature Range -29°C to +200°C (Standard Seat)

As a specialized manufacturer of industrial valves, Shanghai Zhibang Valve Manufacture Co., Ltd. leverages its ISO9001-certified production expertise to deliver precision-engineered flow control solutions for demanding marine applications. Our 316L Stainless Steel Marine Ball Valve is specifically designed for the critical task of managing ballast water, offering unparalleled corrosion resistance, reliable shut-off, and long-term durability in harsh seawater environments. Engineered to meet the rigorous standards of global maritime operations, this valve ensures operational safety and system integrity for vessels worldwide.

Core Product Features & Technical Advantages:

Superior Corrosion Resistance: Constructed entirely from 316L stainless steel, this valve offers exceptional resistance to pitting and crevice corrosion caused by chlorides in seawater, far outperforming standard 304 or carbon steel valves.
Robust Pressure Handling: Designed for working pressures from PN1.6 to PN6.4 MPa, it reliably handles the dynamic pressure conditions within ballast water systems during pumping and deballasting operations.
Full Port Design (Standard): Minimizes pressure drop and allows for efficient flow, pigging, and reduces the risk of sediment buildup critical for ballast water treatment system compliance.
Versatile End Connections: Available with flanged ends (RF or FF) per relevant standards, with threaded ends as an option, ensuring easy integration into existing DN50 to DN200 pipeline systems.
Multiple Actuation Options: Can be supplied with a standard lever lock, a multi-turn gearbox for higher torque applications, or automated with pneumatic actuators for remote control integration.
Enhanced Seat Sealing: Standard PTFE/RPTFE seats provide bubble-tight sealing with low operating torque. Metal-seated versions are available for higher temperature or more abrasive service.

Detailed Technical Specifications:

Parameter	Specification
Body & Trim Material	AISI 316L Stainless Steel
Size Range (Nominal Diameter)	DN50, DN65, DN80, DN100, DN125, DN150, DN200
Pressure Class Range	PN1.6 (Class 150), PN2.5 (Class 150), PN4.0 (Class 300), PN6.4 (Class 400)
Seat Material (Standard)	Reinforced PTFE (RPTFE)
Temperature Range (Standard Seat)	-29°C to +200°C
Operation	Lever, Gear Operator (Ratio customizable), Pneumatic Actuator (Double-acting/Spring-return)
Fire Safe Design	Optional, compliant with API 607/API 6F standards
Face-to-Face Dimensions	Complies with ISO 5752, ASME B16.10, or customer specification

Benefits for Your Marine Operations:

Extended Service Life & Reduced Maintenance: The 316L construction drastically reduces corrosion-related failures, leading to lower lifetime costs and less downtime for replacement.
System Reliability & Safety: Bubble-tight shut-off prevents unintended water transfer, a critical factor for vessel stability and compliance with ballast water management regulations.
Global Supply Chain Support: With annual export values between US$1-1.5 million and shipments from major ports like Shanghai, Guangzhou, Hong Kong, and Beijing, we ensure timely delivery to your global projects.
Design Flexibility: Our manufacturing capability allows for customization in pressure rating, end connections, actuation, and special features like drain ports or locking devices to meet specific system layouts.

Trust & Proven Performance:

Shanghai Zhibang Valve's commitment to quality is validated by our ISO9001 certification, ensuring consistent manufacturing processes. Our valves are trusted in demanding marine applications across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Mid East, and Eastern Asia. This global acceptance underscores the product's reliability and our capability as a manufacturer to serve international maritime standards. Choosing our 316L Stainless Steel Marine Ball Valve means selecting a component engineered for longevity, performance, and compliance, backed by a company with proven export experience and a commitment to customer support.

Frequently Asked Questions (FAQ):

Q: Why is 316L stainless steel preferred over 304 for marine ballast water valves?
A: 316L contains molybdenum, which significantly enhances its resistance to chloride-induced corrosion, pitting, and crevice corrosion commonly found in seawater, making it the standard material for critical marine applications.
Q: Can this valve be used with ballast water treatment systems (BWTS)?
A: Yes, its full-port design and corrosion-resistant construction make it suitable for installation before, after, or within BWTS loops. Material compatibility with treatment chemicals should be verified for specific cases.
Q: What is the lead time for an order of DN150, PN4.0 valves?
A: Lead times vary based on order quantity and configuration. Standard configured valves typically have shorter lead times. Please contact us with your specific requirements for an accurate schedule.
Q: Do you provide valves with pneumatic actuators for automated ballast control?
A: Absolutely. We can supply the valve fitted with double-acting or spring-return pneumatic actuators, complete with limit switches and solenoid valves as per your control system requirements.
Q: Are the flanges compliant with specific standards like ANSI or JIS?
A: Our standard flanges are manufactured to DIN/EN standards (RF or FF). Flanges compliant with ANSI, JIS, or other standards can be provided as a customization option.
Q: Is a fire-safe version available for engine room or hazardous area applications?
A: Yes, we offer a fire-safe design option that meets the testing requirements of standards like API 607 or API 6F, which includes secondary metal sealing in case of a fire.
Q: What documentation is provided with the valves?
A: Standard documentation includes a material certificate (3.1 Mill Certificate if requested), product datasheet, and packing list. Additional documentation like inspection reports or pressure test certificates is available.
Q: What is your main shipping port and Incoterms?
A: We primarily ship from Shanghai, Guangzhou, Hong Kong, or Beijing. We work on standard Incoterms like FOB, CIF, or CFR based on the destination and customer preference.